<template>
  <div class="login">
    <!-- <h1>ERP_财务管理系统</h1> -->
    <section class="login-form-wrapper">
      
      <img src="../assets/images/bg.jpg" style="height: 100%;border-radius: 10px;">
    </section>
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
      <div class="title">
        <h2>欢迎登录 ERP_财务管理系统</h2>
        <p class="title-line"></p>
      </div>
      <el-form-item prop="username">
        <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
          <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input v-model="loginForm.password" type="password" auto-complete="off" placeholder="密码"
          @keyup.enter.native="handleLogin">
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaEnabled">
        <el-input v-model="loginForm.code" auto-complete="off" placeholder="验证码" style="width: 63%"
          @keyup.enter.native="handleLogin">
          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img" />
        </div>
      </el-form-item>
      <section style="display: flex;justify-content: space-between;">
        <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
        <el-button type="text">忘记密码？</el-button>
      </section>

      <el-form-item style="width:100%;text-align: center;margin-top: 50px;">
        <el-button :loading="loading" round size="medium" type="primary" style="width:80%;"
          @click.native.prevent="handleLogin">
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: right;" v-if="register">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2018-2023 All Rights Reserved.</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "admin",
        password: "admin123",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" }
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || "/" }).catch(() => { });
          }).catch(() => {
            this.loading = false;
            if (this.captchaEnabled) {
              this.getCode();
            }
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  // display: flex;
  // justify-content: center;
  // align-items: center;
  height: 100%;
  background: linear-gradient(89.79768523522442deg, rgba(163, 188, 255, 1) 1%, rgba(90, 130, 216, 1) 55.00000000000001%, rgba(13, 59, 157, 1) 100%);
  ;
  // background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}

.login-form-wrapper {
  border-width: 0px;
  position: absolute;
  left: 10%;
  top: 10%;
  width: 80%;
  height: 80%;
  background: inherit;
  background-color: #1b105b;
  border: none;
  border-radius: 10px;
  -webkit-box-shadow: none;
  box-shadow: none;
  // padding: 25px;

  h1 {
    color: #fff;
    font-weight: bolder;
  }
}

.title {
  border-width: 0px;
  // position: absolute;
  // left: 29px;
  // top: 95px;
  // width: 150px;
  height: 8px;
  margin-bottom: 25%;

  // display: flex;
  h2 {
    font-weight: bold;
    margin-bottom: 8px;
  }

  .title-line {
    border-width: 0px;
    // position: absolute;
    // left: 0px;
    // top: 0px;
    margin-top: 0;
    width: 100px;
    height: 6px;
    background: inherit;
    background-color: rgba(46, 171, 242, 1);
    border: none;
    border-radius: 8px;
    -moz-box-shadow: none;
    -webkit-box-shadow: none;
    box-shadow: none;
  }
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 35%;
  padding: 5% 3%;
  height: 90%;
  position: absolute;
  top: 5%;
  right: 3%;

  .el-input__inner {
    border-radius: 0px;
    border-top-width: 0px;
    border-left-width: 0px;
    border-right-width: 0px;
    border-bottom-width: 1px;
    /*outline: medium;*/
  }

  .el-input {
    height: 38px;

    input {
      height: 38px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 38px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 38px;
}</style>
